APA (7th ed.) Zitazioa

williams,richard tecwyn,ed. (1955). the biochemistry of vitamin b12,a symposium held at the london school of hygiene and tropical williams,richard tecwyn(ed.).

Chicago Style (17th ed.) Zitazioa

williams,richard tecwyn,ed. The Biochemistry of Vitamin B12,a Symposium Held at the London School of Hygiene and Tropical Williams,richard Tecwyn(ed.). 1st.ed. | .London Cambridge University, 1955.

MLA (9th ed.) Zitazioa

williams,richard tecwyn,ed. The Biochemistry of Vitamin B12,a Symposium Held at the London School of Hygiene and Tropical Williams,richard Tecwyn(ed.). 1955.